Polyurethane-25
Used in cosmetic products as binding, hair waving or straightening and skin conditioning. Polyurethane-25 is a complex polymer formed by the reaction of dihydroxypolyoxobutylene (degree of polymerization 12-30), dimethylol propionic acid, meta-tetramethylenexylenediisocyanate, isophoronediisocyanate and trimethoylpropane. The prepolymer is neutralized with triethylamine and chain extended with C1-8 alkyl diamine.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
Frequently asked questions
What is Polyurethane-25 used for in cosmetics?
Polyurethane-25 is used in cosmetic products as binding, hair waving or straightening and skin conditioning. Polyurethane-25 is a complex polymer formed by the reaction of dihydroxypolyoxobutylene (degree of polymerization 12-30), dimethylol propionic acid, meta-tetramethylenexylenediisocyanate, isophoronediisocyanate and trimethoylpropane. The prepolymer is neutralized with triethylamine and chain extended with C1-8 alkyl diamine.
Is Polyurethane-25 restricted in cosmetics in the EU?
No EU restriction annex is recorded for Polyurethane-25 in our records. Rules change and differ by market, so always check the current regulation before you formulate.